2004 Audi S4 Exhaust Systems
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MagnaFlow®Heavy Metal Direct Fit Catalytic ConverterAudi S4 Automatic Transmission 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. With Pre and Post-Cat O2 Sensor Ports. Catalytic Inlet Diameter: 2.5". Catalytic Outlet Diameter:...$933.00 - $964.00 - Davico®Direct Fit Catalytic Converter and Pipe AssemblyAudi S4 2004, Catalytic Converter and Pipe Assembly by Davico®. Converter Configuration: Direct Fit. With 2 O2 Sensor Ports. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged...$588.32 - $706.98
- MagnaFlow®Heavy Metal Universal Fit Round Body Catalytic ConverterAudi S4 2004, Heavy Metal Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet...$178.00
- MagnaFlow®OBDII Universal Fit Round Body Catalytic ConverterAudi S4 with LEV Standard / with LEV1 Standard 2004, OBDII Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet...$585.00
- MagnaFlow®OEM Grade Universal Fit Round Body Catalytic ConverterAudi S4 2004, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Universal Fit. Catalytic Converter Body Shape: Round. Without Air Tube. Without O2 Sensor Port. Catalytic Inlet Diameter: 2". Catalytic Outlet Diameter:...$194.00
- Walker®CalCat™ Universal Fit Catalytic ConverterAudi S4 Engine Family # 4ADXV04.2345 2004, CalCat™ Catalytic Converter by Walker®. Converter Configuration: Universal Fit. With 1 Inlet. Without Air Tube. Specifically designed to comply with the California Air Resources Board (CARB)...$314.21 - $409.51
- MagnaFlow®OEM Grade Direct Fit Catalytic ConverterAudi S4 2004, OEM Grade Catalytic Converter by MagnaFlow®. Converter Configuration: Direct Fit. Without Air Tube. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust...$980.00 - $1,159.00
- Davico®Universal Fit Catalytic ConverterAudi S4 2004, Catalytic Converter by Davico®. Converter Configuration: Universal Fit. This Universal fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat...$122.58 - $845.01
- MagnaFlow®Touring Series™ Stainless Steel Cat-Back Exhaust System with Split Rear ExitAudi S4 2004, Touring Series™ Stainless Steel Cat-Back Exhaust System with Split Rear Exit by MagnaFlow®. Exhaust System Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Main Tubing Diameter: 2.5". Exhaust System Sound:...$1,546.00
- Original (OEM)Exhaust PartsThe exhaust system is vital to your engine's health and performance since it is responsible for carrying exhaust gases away from the vehicle. The system has many parts connecting it to the engine. All of them perform a special function...
- Audi OEExhaust System - Exhaust ComponentsAudi S4 2004, Exhaust System - Exhaust Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$15.29 - $3,088.99
- Audi OEExhaust System - Exhaust ComponentsAudi S4 2004, Exhaust System - Exhaust Components by Audi OE. Keep your Audi looking showroom-new and running at its best with top-grade Audi OE parts. Genuine in quality, fit, and finish, they’re the finest option to go if you want to...Genuine OE replacement for your specific Audi modelDesigned to bring your vehicle back to its pristine condition$15.29 - $3,088.99
- Elring®Exhaust Manifold GasketAudi S4 2004, Exhaust Manifold Gasket by Elring®. For professional repairs, place your trust in gaskets, gasket sets and service parts from Elring - the reliable and experienced supplier of spare parts to original equipment standard....Expertly Crafted from the highest grade materialsMade to provide maximum accuracy and dependability$5.32
- Vaico®Exhaust MountAudi S4 2004, Exhaust Mount by Vaico®. Position: Front. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...High quality at an affordable priceExpertly made from premium materials$6.46
- TruParts®Exhaust ClampAudi S4 with California Emission / with Federal Emission 2004, Exhaust Clamp by TruParts®. Sleeve Type. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$12.25
- Vaico®Exhaust ClampAudi S4 2004, Exhaust Clamp by Vaico®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...High quality at an affordable priceExpertly made from premium materials$13.29
- Genuine®Exhaust NutAudi S4 2004, Exhaust Nut by Genuine®. If your exhaust parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our...Designed to restore your vehicle’s exhaust systemGenuine OE replacement parts from the OE manufacturer$3.25
- TRQ®O2 Oxygen SensorAudi S4 2004, O2 Oxygen Sensor by TRQ®. TRQ oxygen sensors are manufactured to precise specifications using premium raw materials to optimize your vehicle’s emission system. Each sensor is isostatically-pressed for improved...Intended to bring your vehicle back to its original gloryBudget-friendly alternative to the OEM part$35.95Save: 5%$34.15
- Bosch®Narrow-band Oxygen SensorAudi S4 2004, Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. The Bosch oxygen sensor utilizes a mix of zirconium and yttrium oxides and other elements to form a tough base that withstands the intense stress to which oxygen...OE-EquivalentOE Style connectors and wire lengths$50.81
- Denso®Oxygen SensorAudi S4 2004, Oxygen Sensor by Denso®. Position: Downstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso....High quality plastic and/or steel constructionDirect replacement for a proper fit every time$80.76
- Walker Products®Oxygen SensorAudi S4 2004, Oxygen Sensor by Walker Products®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver...High quality at an affordable priceExpertly made from premium materials$64.75 - $117.86
- Bosch®Premium Narrow-band Oxygen SensorAudi S4 2004, Premium Narrow-band Oxygen Sensor by Bosch®. Position: Downstream. A worn-out oxygen sensor can cause engine performance problems and shorten the life of the catalytic converter. Tune-up your vehicle with an Oxygen Sensor...OE Identical ConnectorCompact Design$87.03
- Denso®Air Fuel Ratio SensorAudi S4 2004, Air Fuel Ratio Sensor by Denso®. Position: Upstream. Make sure your engine runs efficiently and produces fewer emissions by replacing your malfunctioning fuel-ratio sensors with these top-notch products designed by Denso....Designed to help reduce fuel consumption and harmful emissionsMade with the use of state-of-the-art sensor technologies$162.87
- Walker Products®Premium Oxygen SensorAudi S4 2004, Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The oxygen...Improved Engine Response & PerformanceLower Emissions$82.14
- Spectra Premium®Oxygen SensorAudi S4 2004, Oxygen Sensor by Spectra Premium®. To ensure your vehicle has optimal performance and fuel economy while producing minimal emissions replace a defective O2 sensor with one backed by the aftermarket’s most rigorous...Increase vehicle fuel economy and engine performance while decreasing vehicle exhaust emissions100% performance tested to meet vehicle requirements$30.65 - $67.15
- NTK®Air Fuel Ratio SensorAudi S4 2004, Air Fuel Ratio Sensor by NTK®. Air fuel ratio sensors utilize a sophisticated sensing element that enables them to produce a precise output in proportion to the air fuel ratio. AFR sensors provide the ECU with an exact AFR...Increases vehicle fuel economy and engine performance while decreasing vehicle exhaust emissionsDirect replacement$102.19
- Bosch®Premium Wideband Oxygen SensorAudi S4 2004, Premium Wideband Oxygen Sensor by Bosch®. Position: Upstream. This sensor utilizes a sophisticated sensing element enabling it to produce a precise output in proportion to the air/fuel ratio. Wideband sensors use a more...Detects the exact amount of unburned fuel in the exhaust streamOE connectors and OE-style harness for continuous wire from connector to sensor$131.58
- Walker Products®Wideband Premium Oxygen SensorAudi S4 2004, Wideband Premium Oxygen Sensor by Walker Products®. Walker Oxygen Sensors are precision made for outstanding performance and manufactured to meet or exceed all original equipment specifications and test requirements. The...High quality at an affordable priceExpertly made from premium materials$113.24
- Facet®Oxygen SensorAudi S4 2004, Oxygen Sensor by Facet®. This product is made of high-quality components to meet and exceed strict quality requirements. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and...The reliable goods for increase of reliability of the carQuality equal, if not superior, to that of the original components$46.74
- DIY Solutions®Oxygen SensorAudi S4 2004, Oxygen Sensor by DIY Solutions®. Position: Downstream. If you're seeking to get your steel stallion back to its tip-top condition, then this top-notch replacement solution is what you should definitely look out for. When...Designed to help restore your vehicle to its former gloryQuick replacement to let you enjoy an awesome ride again$28.51
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Different Trend® - Blue Flame Series Domed Straight Cut Double-Wall Exhaust Tip (2.25" Inlet, 3.5" Outlet, 7.25" Length)Posted by Zachary (Ontario, NY) / March 09, 20212006 Dodge Charger
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